ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16", 5/8" Overall Lg
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16" is a high-speed steel threaded-shank drill bit with a 5/16" (0.3125) diameter and a 5/8" overall length. It features a 1/4"-28 thread size and meets NAS 965…
SKU 3G-OTH-192771
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Product Description
The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 5/16" is a high-speed steel threaded-shank drill bit with a 5/16" (0.3125) diameter and a 5/8" overall length. It features a 1/4"-28 thread size and meets NAS 965 Type B specifications, with a black oxide finish on HSS construction.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit used for?
This drill bit is used for precision drilling in aerospace and industrial applications where a threaded shank is required for secure mounting in tool holders. It meets NAS 965 Type B specifications, making it suitable for high-tolerance metal drilling tasks.
What are the specifications of the ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit?
The bit has a 5/16" (0.3125) diameter, 5/8" overall length, and a 1/4"-28 threaded shank. It is made of black oxide high-speed steel (HSS) and complies with NAS 965 Type B standards. The manufacturer part number is 953HS5/16ST.
Where to buy ROCKY MOUNTAIN TWIST Threaded Shank Drill Bits worldwide?
3G Electric supplies ROCKY MOUNTAIN TWIST threaded shank drill bits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct ROCKY MOUNTAIN TWIST threaded shank drill bit?
Select based on required diameter, shank thread size (e.g., 1/4"-28), and overall length. Ensure the bit meets NAS 965 Type B for aerospace-grade applications. The black oxide HSS construction provides wear resistance for drilling ferrous metals.
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Common applications for ROCKY MOUNTAIN TWISTROCKY MOUNTAIN TWIST Products
3G Electric supplies ROCKY MOUNTAIN TWIST high-speed steel threaded-shank drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















